Sample

Tensile strength [MPa]

Elongation after fracture [%]

1

1490

4.7

2

1492

4.6

3

1524

4.8

4

1499

5.5

5

1517

4.9

6

1487

5.0

7

1516

4.8

GB/T 3428-2002

≥1244

≥3.5